Appearance
ChartLineDash = "dash" | "dashDot" | "lgDash" | "lgDashDot" | "lgDashDotDot" | "solid" | "sysDash" | "sysDot"
"dash"
"dashDot"
"lgDash"
"lgDashDot"
"lgDashDotDot"
"solid"
"sysDash"
"sysDot"